Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams

Vasileios Georgiadis; A. L. Healy; Morgan Hibberd; G Burt; S. P. Jamison; Darren Graham

doi:10.1063/5.0041391

Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams

Vasileios Georgiadis, A. L. Healy, Morgan Hibberd, G Burt, S. P. Jamison, Darren Graham

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Abstract

We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase velocity matching with co-propagating electron bunches. The phase-matching capability was experimentally confirmed through time-frequency analysis of the broadband coherent THz transmission measured by electro-optic sampling. The analysis determined both the frequency-dependent propagation constants in the electron interaction region and the propagation characteristics of the integrated THz tapered coupler.

Original language	English
Article number	144102
Journal	Applied Physics Letters
Volume	118
Issue number	14
DOIs	https://doi.org/10.1063/5.0041391
Publication status	Published - 6 Apr 2021

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Photon Science Institute

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10.1063/5.0041391Licence: CC BY

Author Accepted Manuscript_Dispersion in DLWAccepted author manuscript, 683 KB

The Cockcroft Institute
Appleby, R. (PI), Bertsche, W. (CoI), Graham, D. (CoI), Jones, R. (CoI), Kirkby, K. (CoI), Owen, H. (CoI) & Xia, G. (CoI)
1/04/17 → 31/03/18
Project: Research

Cite this

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title = "Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams",

abstract = "We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase velocity matching with co-propagating electron bunches. The phase-matching capability was experimentally confirmed through time-frequency analysis of the broadband coherent THz transmission measured by electro-optic sampling. The analysis determined both the frequency-dependent propagation constants in the electron interaction region and the propagation characteristics of the integrated THz tapered coupler.",

author = "Vasileios Georgiadis and Healy, {A. L.} and Morgan Hibberd and G Burt and Jamison, {S. P.} and Darren Graham",

note = "Funding Information: We would like to acknowledge Rutherford Appleton Laboratory (RAL)-Space for the manufacture of the dielectric-lined waveguide structures. This work was supported by the United Kingdom Science and Technology Facilities Council (Grant Nos. ST/N00308X/1, ST/ N003063/1, and ST/P002056/1) and the Accelerator Science and Technology Centre through Agreement No. CN7214-SA98. Publisher Copyright: {\textcopyright} 2021 Author(s). Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

year = "2021",

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doi = "10.1063/5.0041391",

language = "English",

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T1 - Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams

AU - Georgiadis, Vasileios

AU - Healy, A. L.

AU - Hibberd, Morgan

AU - Burt, G

AU - Jamison, S. P.

AU - Graham, Darren

N1 - Funding Information: We would like to acknowledge Rutherford Appleton Laboratory (RAL)-Space for the manufacture of the dielectric-lined waveguide structures. This work was supported by the United Kingdom Science and Technology Facilities Council (Grant Nos. ST/N00308X/1, ST/ N003063/1, and ST/P002056/1) and the Accelerator Science and Technology Centre through Agreement No. CN7214-SA98. Publisher Copyright: © 2021 Author(s). Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/4/6

Y1 - 2021/4/6

N2 - We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase velocity matching with co-propagating electron bunches. The phase-matching capability was experimentally confirmed through time-frequency analysis of the broadband coherent THz transmission measured by electro-optic sampling. The analysis determined both the frequency-dependent propagation constants in the electron interaction region and the propagation characteristics of the integrated THz tapered coupler.

AB - We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase velocity matching with co-propagating electron bunches. The phase-matching capability was experimentally confirmed through time-frequency analysis of the broadband coherent THz transmission measured by electro-optic sampling. The analysis determined both the frequency-dependent propagation constants in the electron interaction region and the propagation characteristics of the integrated THz tapered coupler.

U2 - 10.1063/5.0041391

DO - 10.1063/5.0041391

M3 - Article

SN - 0003-6951

VL - 118

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 14

M1 - 144102

ER -

Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams

Abstract

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